Frost dates in Junction City, OR

The average last spring frost in Junction City is around April 20 and the first fall frost is around October 21. That gives Junction City an average growing season of about 184 days.

Last spring frost

Early (10% chance after)March 16
Average (50%)April 20
Late (90%)May 12

First fall frost

Early (10%)October 4
Average (50%)October 21
Late (90% chance before)November 18

See the Junction City planting calendar →